2516226420 has 24 divisors (see below), whose sum is σ = 7045434144. Its totient is φ = 670993696.

The previous prime is 2516226413. The next prime is 2516226437. The reversal of 2516226420 is 246226152.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20968494 + ... + 20968613.

It is an arithmetic number, because the mean of its divisors is an integer number (293559756).

Almost surely, 2^2516226420 is an apocalyptic number.

2516226420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2516226420 is an abundant number, since it is smaller than the sum of its proper divisors (4529207724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2516226420 is a wasteful number, since it uses less digits than its factorization.

2516226420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41937119 (or 41937117 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2516226420 is about 50162.0017543160. The cubic root of 2516226420 is about 1360.1388302624.

It can be divided in two parts, 2516226 and 420, that added together give a triangular number (2516646 = T₂₂₄₃).

The spelling of 2516226420 in words is "two billion, five hundred sixteen million, two hundred twenty-six thousand, four hundred twenty".